CN216144202U - Novel multipurpose parallel superconducting radiating fin, heat exchange device and radiator - Google Patents

Abstract

The utility model discloses a novel multipurpose parallel superconducting radiating fin, a heat exchange device and a radiator, which comprise a body, wherein the body is bent back and forth, at least one contact part is arranged on the body and is used for contacting with an external heat source or cold source, the body is of a closed structure, a vacuum cavity is arranged in the body, and heat conducting liquid is filled in the vacuum cavity. When the radiating fin works, heat conducting liquid in the vacuum cavity forms ' evaporation-condensation-backflow ' internal circulation ' heat transfer, the outer wall of the radiating fin of the whole non-contact heat source part directly radiates heat into air or the outer wall of the radiating fin of the whole non-contact cold source part transmits the heat in the air to the cold source, so that the radiating fin can realize the functions of heat transfer and radiation or air cooling at the same time, and is a complete radiator. The heat sink can greatly reduce the volume and weight of the heat sink, and the heat sink can be used for long-distance heat conduction or cooling.

Description

Novel multipurpose parallel superconducting radiating fin, heat exchange device and radiator

Technical Field

The utility model relates to the technical field of heat conduction and heat dissipation, in particular to a novel multipurpose parallel superconducting heat dissipation fin, a heat exchange device and a radiator.

Background

Conventional heat sinks typically include a heat pipe and a heat sink. Heat pipes are generally used only for heat conduction purposes, one end of which is in contact with a heat source and the other end of which is connected to a heat sink, such as a fin heat sink. In the working process of the radiator, the heat pipe conducts the heat of the heat source to the heat dissipation device, and then the heat dissipation device carries out heat dissipation treatment. Because the heat dissipation efficiency of the radiator is positively correlated with the heat dissipation area of the radiator, the radiator with larger volume and weight is usually required to be configured for improving the heat dissipation effect, and the weight and the volume of a required heat dissipation product are increased; conventional heat pipes have a reduced efficiency of heat transfer with increased length, and therefore conventional heat pipes are typically capable of heat transfer only over short distances.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a novel multipurpose parallel superconducting radiating fin, a heat exchange device and a radiator, which can reduce the volume and weight of the radiator.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a novel parallel superconductive fin of multipurpose, includes the body, the body is enclosed construction to this internal vacuum cavity that is provided with, be equipped with heat-conducting liquid in the vacuum cavity, and leave unnecessary space in the vacuum cavity be provided with the capillary net on the inner wall of vacuum chamber.

As a preferable scheme: the vacuum cavity is communicated with the body.

As a preferable scheme: the body is bent back and forth, and at least one contact part is arranged on the body and is used for being in contact with an external heat source or cold source.

As a preferable scheme: the radiating fins are of flat structures, square tube structures, oval tube structures, circular tube structures or polygonal tube structures.

As a preferable scheme: the radiating fins are copper radiating fins, aluminum radiating fins or stainless steel radiating fins.

As a preferable scheme: two adjacent contact parts on the body of the radiating fin are parallel to each other.

The heat exchange device comprises the radiating fin and a refrigerating pipe, wherein at least one contact part of the radiating fin is in contact with the refrigerating pipe, a refrigerant is introduced into the refrigerating pipe, and the refrigerating pipe is used for being connected with an external radiating device.

As a preferable scheme: the refrigeration pipe comprises a plurality of parallel pipe sections, the head end and the tail end of each pipe section are sequentially connected through a connecting pipe, one end of the refrigeration pipe is further connected with an inflow pipe used for introducing a refrigerant, the other end of the refrigeration pipe is further connected with an outflow pipe used for allowing the refrigerant to flow out, the cooling fins are arranged between the adjacent pipe sections, and the contact parts on the two sides of each cooling fin are respectively in contact with the two pipe sections.

As a preferable scheme: the refrigeration pipe comprises a plurality of parallel pipe sections, a flow dividing pipe is arranged at the head end of each pipe section, the head end of each pipe section is communicated with the flow dividing pipe, the flow dividing pipe is also communicated with an inflow pipe, and the inflow pipe is used for introducing a refrigerant; a collecting pipe is arranged at the tail end of each pipe section, the tail end of each pipe section is communicated with the collecting pipe, the collecting pipe is also communicated with an outflow pipe, and the outflow pipe is used for allowing refrigerant to flow out; the cooling fins are arranged between the adjacent pipe sections, and the contact parts on the two sides of each cooling fin are respectively contacted with the two pipe sections.

The radiator comprises a radiating fin and a plurality of heat conducting strips arranged at intervals, wherein the radiating fin is arranged between every two adjacent heat conducting strips, a contact part on the radiating fin is in contact with and fixed to the two heat conducting strips, the radiator further comprises a heat conducting block, the heat conducting block is used for being in contact with a heat source, and one end of each heat conducting strip is fixedly connected with the heat conducting block.

Compared with the prior art, the utility model has the advantages that: the radiating fin is internally provided with a vacuum cavity, and heat conducting liquid is filled in the vacuum cavity. When the radiating fin works, heat conducting liquid in the vacuum cavity forms ' evaporation-condensation-backflow ' internal circulation ' heat transfer, the outer wall of the radiating fin of the whole non-contact heat source part directly radiates heat into air or the outer wall of the radiating fin of the whole non-contact cold source part transmits the heat in the air to the cold source, so that the radiating fin can simultaneously realize the functions of heat transfer and heat dissipation or air cooling, is a complete radiator, does not need to work with radiating fins in a matching way, and can simplify the structure of the radiator. The radiating fin has extremely high heat transfer coefficient and extremely high radiating or cooling efficiency, can improve the radiating or heat absorbing power of the unit area of the radiating fin in a multiplied way, and has even temperature of the whole heat pipe radiator. Therefore, the heat sink can greatly reduce the volume and weight of the heat sink, and the heat sink can be used for heat conduction or cooling over a long distance. The radiator and the heat exchange device formed by the radiating fins have the advantages of small volume, light weight, high radiating efficiency and high heat exchange efficiency.

Drawings

FIG. 1 is a schematic external view of a heat sink in accordance with a first embodiment;

FIG. 2 is a schematic diagram illustrating an internal structure of a heat sink in accordance with one embodiment;

FIG. 3 is a cross-sectional view of a heat sink in accordance with one embodiment;

FIG. 4 is a schematic external view of a heat sink according to a second embodiment;

fig. 5 is a schematic internal structural view of a heat sink in the second embodiment;

FIG. 6 is a schematic cross-sectional view of a heat sink in a third embodiment;

FIG. 7 is a schematic cross-sectional view showing a heat sink in accordance with a fourth embodiment;

FIG. 8 is a schematic cross-sectional view showing a heat sink in accordance with a fifth embodiment;

FIG. 9 is a schematic cross-sectional view showing a heat sink in accordance with a sixth embodiment;

FIG. 10 is a schematic cross-sectional view showing a heat sink in accordance with a seventh embodiment;

FIG. 11 is a schematic cross-sectional view of a heat sink in an eighth embodiment;

FIG. 12 is a schematic cross-sectional view showing a heat sink in accordance with a ninth embodiment;

FIG. 13 is a schematic cross-sectional view of a heat sink in accordance with a tenth embodiment;

FIG. 14 is a schematic view showing a structure of a heat exchange apparatus according to an eleventh embodiment;

FIG. 15 is a schematic view of a heat exchange apparatus according to the twelfth embodiment;

FIG. 16 is a schematic view showing the structure of a heat exchange apparatus according to a thirteenth embodiment;

fig. 17 is a schematic structural view of a heat sink in a fourteenth embodiment.

1, a radiating fin; 101. a body; 102. a contact portion; 103. a vacuum chamber; 104. a capillary network; 2. a heat conducting strip; 3. a heat conducting block; 4. a heat source; 5. a refrigeration pipe; 6. a connecting pipe; 7. an inflow pipe; 8. an outflow tube; 9. a shunt tube; 10. and a collecting pipe.

Detailed Description

The first embodiment is as follows:

referring to fig. 1 and 2, the novel multipurpose parallel superconducting heat sink comprises a body 101, wherein the body 101 is of a closed structure, a vacuum cavity 103 is arranged in the body 101, and the vacuum cavity 103 penetrates through the body 101. The vacuum chamber 103 is filled with a heat transfer fluid (not shown), and the vacuum chamber 103 has an excess space, i.e., the vacuum chamber 103 is not filled with the heat transfer fluid.

The heat-conducting liquid has the function that when the heat radiating fins contact with an external heat source or a cold source, the heat-conducting liquid can generate a phase change phenomenon in the vacuum cavity 103, namely the heat-conducting liquid is converted into gas from liquid and then is converted into liquid from gas), and the process does not need external power or energy to start.

A capillary net 104 is provided on the inner wall of the vacuum chamber 103.

The capillary net 104 plays a role of a capillary structure, and heat conducting liquid at a condensation end flows back through the capillary structure after being evaporated from a heating end of the vacuum cavity 103 to the condensation end for cooling. The capillary net 104 can further promote the backflow of the heat-conducting liquid, and enhance the circulation efficiency of the heat-conducting liquid in the vacuum chamber 103.

As shown in fig. 3, in the present embodiment, the main body 101 of the heat sink 1 has a flat structure, and a capillary 104 is provided on the inner wall of the vacuum chamber 103 at a position corresponding to one surface of the main body 101.

The flat structure makes the fin 1 can be made very thin, can reduce the windage after making thin, strengthens the air flow, improves heat exchange efficiency.

The working principle of the radiating fin 1 is as follows:

a certain part of the radiating fin 1 is attached to the surface of an external heat source, the heat of the external heat source is conducted to the radiating fin 1, the heat is diffused to each part of the radiating fin 1, at the moment, the heat conducting liquid in the vacuum cavity 103 forms 'internal circulation' of 'evaporation-condensation-backflow' for heat conduction, and the heat is directly radiated to the air by the outer wall of the radiating fin 1 of the whole non-contact heat source part, so that the radiating fin 1 can realize heat conduction and heat radiation at the same time, is a complete radiator, does not need to work with the radiating fin in a matching way, and can simplify the structure of the radiator. The heat radiating fin 1 has low thermal resistance, extremely high heat transfer coefficient and remarkably improved heat radiating efficiency, can improve the heat radiating power of the unit area of the heat radiating fin 1 by times, and has uniform temperature of the whole heat pipe radiator. Therefore, the heat sink 1 can greatly reduce the volume and weight of the heat sink, and the heat sink can be used for heat conduction over a long distance.

When the radiating fin 1 is in contact with an external cold source, the radiating fin 1 absorbs heat from surrounding air, and at the moment, the heat conducting liquid forms 'internal circulation' of 'evaporation-condensation-backflow' in the vacuum cavity 103 to conduct heat, so that the heat in the air is transmitted to the cold source, the air is cooled, and the cooling efficiency is high.

In this embodiment, the material of the body 101 of the heat sink 1 is copper. In other embodiments, the material of the body 101 of the heat sink 1 may be aluminum or stainless steel.

Example two:

referring to fig. 4, the difference between the present embodiment and the first embodiment is: in this embodiment, the body 101 of the heat sink 1 is bent back and forth, and at least one contact portion 102 is disposed at a side portion of the body 101, and the contact portion 102 is used for contacting with an external heat source or a cold source.

The bending structure can increase the heat dissipation area of the heat dissipation sheet 1 in unit length, and improve the heat dissipation performance of the whole heat dissipation sheet 1.

In this embodiment, the heat sink 1 has a zigzag structure, i.e., the sheet body between two adjacent contact portions 102 is linear. In other embodiments, the sheet between two adjacent contact portions 102 may also be curved.

Referring to fig. 5, the bending angle α of the heat sink 1 in this embodiment is an obtuse angle. In other embodiments, the bending angle α may be a right angle or an acute angle.

In this embodiment, two adjacent contact portions 102 on the body 101 of the heat sink 1 are parallel to each other. In other embodiments, two adjacent contact portions 102 may not be parallel.

Example three:

referring to fig. 6, the difference between the present embodiment and the first embodiment is: in this embodiment, a capillary 104 is provided at each position on the inner wall of the vacuum chamber 103.

Example four:

referring to fig. 7, the difference between the present embodiment and the first embodiment is: in this embodiment, a capillary 104 is provided on the inner wall of the vacuum chamber 103 at a position corresponding to one side of the body 101.

Example five:

referring to fig. 8, the difference between the present embodiment and the first embodiment is: in this embodiment, a capillary 104 is provided on the inner wall of the vacuum chamber 103 at positions corresponding to both sides of the body 101.

Example six:

referring to fig. 9, the present embodiment is different from the first embodiment in that: in this embodiment, a capillary net 104 is provided on the inner wall of the vacuum chamber 103 at a position corresponding to one surface and one side of the body 101.

Example seven:

referring to fig. 10, the present embodiment is different from the first embodiment in that: in this embodiment, the vacuum chamber 103 is provided with a fine mesh 104 on its inner wall at a position corresponding to both surfaces of the main body 101.

Example eight:

referring to fig. 11, the present embodiment is different from the first embodiment in that: in this embodiment, the cross-sectional shape of the heat sink 1 is rectangular (including square and rectangular), that is, the heat sink 1 has a square tube structure. In other embodiments, the heat sink 1 may have a polygonal tube structure.

Example nine:

referring to fig. 12, the present embodiment is different from the first embodiment in that: in this embodiment, the cross-sectional shape of the heat sink 1 is an ellipse, that is, the heat sink 1 has an elliptical tube structure.

Example ten:

referring to fig. 13, the present embodiment is different from the first embodiment in that: in this embodiment, the cross-sectional shape of the heat sink 1 is circular, that is, the heat sink 1 has a circular tube structure.

Example eleven:

referring to fig. 14, the heat exchange device includes the above-described fin 1 and further includes a refrigerant tube 5. At least one contact part 102 of the radiating fin 1 is in contact with the refrigerating pipe 5, a refrigerant is introduced into the refrigerating pipe 5, and the refrigerating pipe 5 is connected with an external radiating device to realize heat exchange.

In the working process of the radiator, the radiating fins 1 play a role in heat conduction and heat dissipation, and the refrigerating pipes 5 play an additional refrigeration and heat dissipation role, so that the heat exchange efficiency can be further improved.

In this embodiment, can also install the fan additional, blow to the fin through the fan, realize initiative forced air cooling, further improve heat exchange efficiency.

Example twelve:

referring to fig. 15, in the heat exchange device in this embodiment, the cooling tube 5 includes a plurality of parallel tube segments, the head end and the tail end of each tube segment are sequentially connected through the connection tube 6, an inflow tube 7 for introducing a refrigerant is further connected to one end of the cooling tube 5, an outflow tube 8 for allowing the refrigerant to flow out is further connected to the other end of the cooling tube 5, the cooling fin 1 is installed between adjacent tube segments, and the contact portions 102 on both sides of the cooling fin 1 are respectively in contact with the two tube segments.

When the heat exchange device works, a refrigerant flows into the refrigerating pipe 5 from the inflow pipe 7, the refrigerant sequentially flows through all the pipe sections and finally flows out of the outflow pipe, and the refrigerant takes away heat on the radiating fins to realize heat exchange.

In this embodiment, can also install the fan additional, blow to fin 1 through the fan, realize initiative forced air cooling, further improve heat exchange efficiency.

Example thirteen:

referring to fig. 16, in the heat exchange device in this embodiment, the refrigeration tube 5 includes a plurality of parallel tube segments, a shunt tube 9 is disposed at a head end of each tube segment, the head end of each tube segment is communicated with the shunt tube 9, the shunt tube 9 is further communicated with the inflow tube 7, and the inflow tube 7 is used for introducing a refrigerant; a collecting pipe 10 is arranged at the tail end of each pipe section, the tail end of each pipe section is communicated with the collecting pipe 10, the collecting pipe 10 is also communicated with an outlet pipe 8, and the outlet pipe 8 is used for allowing a refrigerant to flow out; the cooling fins 1 are arranged between the adjacent tube sections, and the contact parts 102 on both sides of the cooling fins 1 are respectively contacted with the two tube sections.

When the heat exchange device works, a refrigerant flows into the shunt pipe 9 from the inflow pipe 7, uniformly flows into each pipe section after being shunted, flows into the collecting pipe 10 from each pipe section, flows out from the outflow pipe 8 after being converged, and takes away heat on the radiating fins by the refrigerant, so that heat exchange is realized.

In this embodiment, can also install the fan additional, blow to fin 1 through the fan, realize initiative forced air cooling, further improve heat exchange efficiency.

Example fourteen:

referring to fig. 17, the heat sink includes a plurality of heat conducting strips 2 arranged at intervals, the heat sink 1 is arranged between two adjacent heat conducting strips 2, contact portions 102 on two sides of the heat sink 1 are respectively in contact with and fixed to the two heat conducting strips 2, the heat sink further includes a heat conducting block 3, the heat conducting block 3 is used for being in contact with a heat source, and one end of each heat conducting strip 2 is connected and fixed to the heat conducting block 3.

The radiator is provided with a plurality of radiating fins 1 which form a radiating net, so that the radiating net has a larger radiating area, and the radiating fins 1 have excellent heat conduction and radiating performance, so that the radiator has high radiating efficiency under the condition of lower arrangement density of the radiating fins 1. In addition. The lower arrangement density of the radiating fins 1 ensures that the heat radiation of the radiating fins 1 is not influenced by the adjacent radiating fins 1, and air can smoothly pass through the radiating net without hindering the air convection.

In the working process of the radiator, the heat of an external heat source is conducted to the heat conducting strips 2 through the heat conducting blocks 3 and then conducted to the radiating fins 1 through the heat conducting strips 2, and the heat is quickly and efficiently dissipated through the radiating fins 1.

The radiator has the advantages of small volume, light weight and high radiating efficiency.

In this embodiment, can also install the fan additional, blow to the fin through the fan, realize initiative forced air cooling, further improve the radiating efficiency of radiator.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.

Claims (10)

1. A novel multipurpose parallel superconducting radiating fin comprises a body and is characterized in that: the body is of a closed structure, a vacuum cavity is arranged in the body, heat conducting liquid is filled in the vacuum cavity, redundant space is reserved in the vacuum cavity, and a capillary net is arranged on the inner wall of the vacuum cavity.

2. The novel multipurpose parallel superconducting heat sink of claim 1, wherein: the vacuum cavity is communicated with the body.

3. The novel multipurpose parallel superconducting heat sink of claim 1, wherein: the body is bent back and forth, and at least one contact part is arranged on the body and is used for being in contact with an external heat source or cold source.

4. The novel multipurpose parallel superconducting heat sink of claim 1, wherein: the radiating fins are of flat structures, square tube structures, oval tube structures, circular tube structures or polygonal tube structures.

5. The novel multipurpose parallel superconducting heat sink of claim 1, wherein: the radiating fins are copper radiating fins, aluminum radiating fins or stainless steel radiating fins.

6. The novel multipurpose parallel superconducting heat sink of claim 3, wherein: two adjacent contact parts on the body of the radiating fin are parallel to each other.

7. A heat exchange device comprising the heat sink of any one of claims 1-6, wherein: the cooling fin is characterized by further comprising a cooling pipe, at least one contact part of the cooling fin is in contact with the cooling pipe, a refrigerant is introduced into the cooling pipe, and the cooling pipe is used for being connected with an external cooling device.

8. The heat exchange device of claim 7, wherein: the refrigeration pipe comprises a plurality of parallel pipe sections, the head end and the tail end of each pipe section are sequentially connected through a connecting pipe, one end of the refrigeration pipe is further connected with an inflow pipe used for introducing a refrigerant, the other end of the refrigeration pipe is further connected with an outflow pipe used for allowing the refrigerant to flow out, the cooling fins are arranged between the adjacent pipe sections, and the contact parts on the two sides of each cooling fin are respectively in contact with the two pipe sections.

9. The heat exchange device of claim 7, wherein: the refrigeration pipe comprises a plurality of parallel pipe sections, a flow dividing pipe is arranged at the head end of each pipe section, the head end of each pipe section is communicated with the flow dividing pipe, the flow dividing pipe is also communicated with an inflow pipe, and the inflow pipe is used for introducing a refrigerant; a collecting pipe is arranged at the tail end of each pipe section, the tail end of each pipe section is communicated with the collecting pipe, the collecting pipe is also communicated with an outflow pipe, and the outflow pipe is used for allowing refrigerant to flow out; the cooling fins are arranged between the adjacent pipe sections, and the contact parts on the two sides of each cooling fin are respectively contacted with the two pipe sections.

10. A heat sink comprising the fin of any one of claims 1 to 6, wherein: the radiator further comprises a heat conduction block, the heat conduction block is used for being in contact with a heat source, and one end of each heat conduction strip is fixedly connected with the heat conduction block.

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